| 摘要 |
A self-propelled trench-shoring apparatus having a modular panel construction whereby it may be readily adapted for use in lining trenches or open ground cuts of various depths and widths, including a integral back fill hopper for receiving and delivering bedding material into the open trench with the hopper removably supported on the rear end of the apparatus and capable of being varied in widths and depths to accommodate trenches of corresponding dimensions. The apparatus also including a tapered forwardly extending apron that allows the preceding digging machine to work more efficiently with respect to the shoring apparatus.
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